Abstract
Objective To observe the clinical effect of Zhongfeng-Tengtong decoction combined with tramadol in the treatment of central post-stroke pain (CPSP). Methods A total of 121 patients with stroke were recruited in our hospital. The patients were randomly divided into 2 groups by the ramdom number table method, 61 patients in the treatment group and 60 in the control group. All patients received conventional treatment of stroke secondary prevention, and the control group received oral tramadol hydrochloride sustained release tablets, while the treatment group received Zhongfeng-Tengtong decoction based on the intervention of control group. Both groups were treated for 14 days. The outcomes included Numerical Rating Scale (NRS), Fugl-Meyer Assessment (FMA), Stroke Specific Quality of Life Scale (SS-QOL), and the changes of hemorheology indexes of the 2 groups before and after treatment. Results After treatment, the NRS scores of treatment group were significantly lower than the control group (2.5 ± 0.4 vs. 4.6 ± 0.7; t=20.303, P<0.01). and FMA and SS-QOL scores of treatment group were significantly higher than the control group (FMA 57.1 ± 18.1 vs. 44.2 ± 12.5; t=4.702, P<0.01), (SS-QOL 193.4 ± 25.6 vs. 165.4 ± 22.8; t=6.536, P<0.01). The whole blood viscosity, plasma viscosity, fibrinogen and thrombosis coefficient of treatment group were significantely lower than the control group (whole blood viscosity 4.22 ± 0.13 mPa•s vs. 4.56 ± 0.41 mPa•s, t=14.452, P<0.01; plasma viscosity 1.72 ± 0.31 mPa•s vs. 2.33 ± 0.23 mPa•s, t=14.258, P<0.01; fibrinogen 3.72 ± 0.49 g/L vs. 4.98 ± 0.41 g/L, t=17.783, P<0.01; thrombosis coefficient 0.76 ± 0.30 vs. 1.11 ± 0.20, t=8.178, P<0.01). Conclusions Zhongfeng-Tengtong decoction combined with tramadol could alleviate the pain symptom in patients with CPSP, improve the movement function of limbs and improve the quality of life. Key words: Central post-stroke pain; Zhongfeng-Tengtong decoction; Pregabalin; Treatment outcome
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